DEAR READERS: This study is a remarkable analysis of the influence of solar radiation cycles and UV light on our levels of vitamin D: "Relation of pandemics with solar cycles through ozone, cloud ...

I had lab work done recently and received a panic call from the doctor’s office that my vitamin D level was 29 ng/mL. I ...

Friday, March 20th, is the vernal equinox, the first day of Astronomical Spring. The vernal equinox doesn’t just mean the beginning of warmer days, but also longer days.

Menopause expert Nadia Alibhai explains why vitamin D is so crucial in midlife, and how you can make sure you're getting ...

Learn how lower vitamin D levels in winter can affect your calcium balance, why it matters for bone health, and what you can ...

Supplements may help too, according to emerging research. We asked experts which supplements women over 50 should consider taking. Here are the top five supplements they recommend and why. “Vitamin D ...

Evidence from randomized trials suggests that calcium supplements may not significantly reduce fracture risk in ...

A large new study suggests that vitamin D supplements may help slow one of the body’s basic aging processes. Researchers ...

But Vitamin D also helps boost your energy, strengthen your immune system, build your bones, and may even help lower the risk ...

“Egg yolks are one of the few natural sources of vitamin D, and because vitamin D is fat-soluble, pairing eggs with healthy ...

Vitamin D is a hormone that helps regulate testosterone, estrogen, mood, energy, and circulation, all of which influence sexual desire and performance. Low vitamin D is linked to erectile dysfunction, ...